inital commit

lab05/src/BankAccount.java

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+
+/**
+ * BankAccount class that represents a real world entity Bank Account. It supports deposit, withdrawal 
+ * and checking balance operations.
+ * 
+ * @author Pratap Kotala 
+ * @version 9/23/2014
+ */
+public class BankAccount
+{
+    //instance variable balance to store the balance amount information
+    private double balance;
+
+    /**
+     * Default constructor for objects of class BankAccount which initializes balance to zero.
+     */
+    public BankAccount()
+    {
+        // initialise instance variables
+        balance = 0;
+    }
+
+    /**
+     * Constructor for objects of class BankAccount which initializes balance to amount.
+     */
+    public BankAccount(double amount)
+    {
+        balance = amount;
+    }
+    /**
+     * getBalance() method returns the current balance
+     * 
+     * @param      no parameter
+     * @return     double 
+     */
+    public double getBalance()
+    {
+       return balance;
+    }
+    
+    /**
+     * deposit() method adds the amount to the current balance
+     * 
+     * @param      double amount
+     * @return     void 
+     */
+    public void deposit(double amount)
+    {
+        balance += amount;        
+    }
+    
+    /**
+     * withdraw() method reduces the current balance by amount
+     * 
+     * @param      double amount
+     * @return     void 
+     */
+    public void withdraw(double amount)
+    {
+        if (amount > balance)
+            throw new IllegalArgumentException("insufficient balance");
+        else
+            balance -= amount;
+    }
+}

lab05/src/BankAccountTest.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/**
+ * BankAccountTest program created for CS1 class.
+ * @author toric
+ */
+public class BankAccountTest {
+    public static void main(String[] args) {
+        
+        //initalize the first account
+        BankAccount account1 = new BankAccount();
+        
+        //inital deposit
+        account1.deposit(1000);
+        
+        //print amount
+        System.out.println("account 1 has $"+account1.getBalance());
+        
+        //withdraw
+        account1.withdraw(250);
+        
+        //second account
+        BankAccount account2 = new BankAccount(500);
+        
+        //print balance
+        System.out.println("account 2 has $"+account2.getBalance());
+        
+        //withdraw 100.
+        account2.withdraw(100);
+        
+        //link the two accounts.
+        account2 = account1;
+        
+        //deposit
+        account1.deposit(50);
+        
+        System.out.println("account 1 has $"+account1.getBalance());
+        System.out.println("account 2 has $"+account2.getBalance());
+    }
+}

lab05/src/StringTest.java

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+/*
+ * Copyright (C) 2020 Gabriel Venberg
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * made for lab05
+ * @author toric
+ */
+public class StringTest {
+    public static void main(String[] args) {
+        
+        //inital assignment
+        String string1 = new String("Hi");
+        String string2 =  new String("Hello World");
+        
+        //finding the lengh of the two strings
+        System.out.println("string1 is "+string1.length()+" characters long");
+        System.out.println("string1 is "+string2.length()+" characters long");
+        
+        //find the first o in both strings
+        System.out.println("the first o in string1 is at position "+string1.indexOf("o"));
+        System.out.println("the first o in string2 is at position "+string2.indexOf("o"));
+        
+        //find the last o in each string
+        System.out.println("the last o in string1 is at position "+string1.lastIndexOf("o"));
+        System.out.println("the last o in string2 is at position "+string2.lastIndexOf("o"));
+        
+        //use substring() to make a variable containing "world"
+        String substring = string2.substring(6);
+        System.out.println("string2 starting with the 6th character is "+substring);
+        
+        //string2 all lowercase
+        System.out.println("string2 in all lowercase is "+string2.toLowerCase());
+        
+        //string2 to all uppercase
+        System.out.println("string2 in all uppercase is "+string2.toUpperCase());
+    }
+}